SEO API

seo-api.com · checked 9 Oct 2026

#25 · SEO APIs

Visit seo-api.com ↗ Alternatives SEO API vs backlinks.sh

How it plugs in

—Public API

NoOpen source

NoFree tier

Signal on SEO APIs4.7#25 of 27

SEO API provides a REST API for integrating SEO metrics into software, dashboards and reports.

Pricing

Enterprise & White-LabelVolumen- und SLA-Preise nach Absprache · Individuelle Volumenpakete · optionales eigenes Hosting/On-Premise · individuelle Endpunkte und ErweiterungenOn request
Professionalab kleinem Monatskontingent · Großzügiges Anfrage-Volumen · alle Endpunkte inkl. Multipage-Analysen · priorisierter Support · optionale White-Label-ReportsOn request
Starterab kleinem Monatskontingent · Feste Requests/Monat · alle Endpunkte · E-Mail-SupportOn request

As seo-api.com lists them, checked 9 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: seo-api.com
Price: Not published
Free trial: Not stated
API formats: The API endpoints are available through REST with JSON, and an optional SOAP interface is offered.
Backlinks: The Backlink API provides referring domains, link types, anchor text, landing pages, and new or lost links.
Data: The API covers SERP rankings, backlinks, OnPage audits, PageSpeed, Core Web Vitals, Lighthouse, content and accessibility.
Documentation: Documentation is available as PDF and Swagger/OpenAPI and includes endpoint parameters and limits, code examples, and notes on rate limits, authentication and caching.
Founded: 2007
Headquarters: Rüdesheim (Nahe), Germany
Integrations: The maker says integrations with TYPO3 and WordPress are possible, as are custom white-label solutions.
Maker: The site identifies the provider as Matthias Gläßner IT-Lösungen, a sole proprietorship represented by Matthias Gläßner.
Metrics: The maker describes the product as providing more than 100 metrics, including rankings, HTML validity, Core Web Vitals, backlink types, readability and social signals.
OnPage: The OnPage API automates checks for HTML validity, meta tags, canonicals, robots.txt and sitemaps, with optional multipage crawling.
Security and hosting: The maker states that hosting and operation are in Germany and describes the service as focused on data protection and GDPR-compliant use.
SERP: The SERP endpoint returns current rankings for keywords, domains, locations and devices, with ranking history and SERP snippets.

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